OpenCPN Manuals

Won't you become an Editor to advance OpenCPN?

• User Manual
• Supplementary Hardware
• Supplementary Software
• Developer Manual

Dedicated to the author of American Practical Navigator 1802, Nathaniel Bowditch
and all who advance the practice of Navigation.

Also dedicated to David Register for his boundless talent and tireless efforts improving OpenCPN for all and for his extraordinary creation, OpenCPN, by all the Users & Programmers who work together in this unique cooperative community. Thank you Dave!

Won't you become an Editor to advance OpenCPN?

The OpenCPN Community maintains these Four Books, entirely on Volunteer Power, so please contribute your time, skill and donations!